Her only daughter, Claudia Melgar, drove around a truck barricade at the Post Oak exit and went into 20-foot deep water. Road cameras captured her using her cell phone to signal for help for 15 minutes.

Almost three weeks later, the Harris County Toll Road Authority installed gates at the beginning of the Post Oak exit ramp and another set at the end of the ramp, near Richmond, to prevent wrong-way drivers. A flashing light will be added to the area by the end of the month.

"Nobody is going to lose their loved ones. No mom has this pain that I went through, that I'm going through -- that I'm going to live with this pain," Cormier cried.

The Texas Department of Transportation will be installing flood gates on the West Loop access roads within the next 30 to 60 days. One set of gates will be on the southbound side, past Richmond. The other set will be on the northbound side past Westpark.

Following the Memorial Day flood, TxDOT reviewed the area and installed water gauges and heightened signage in the area to alert drivers of water over the road.

"We're trying to eliminate the potential for motorists to make decisions that are not in their best interest," spokesperson Raquelle Lewis said.